18:09:08 Load MergeBook1 from Excel2007 file<br />Call time to read Mergebook1 was 0.0420 seconds<br />18:09:08 Current memory usage: 4.75 MB<br />18:09:08 Load MergeBook2 from Excel2007 file<br />Call time to read Mergebook2 was 0.0238 seconds<br />18:09:08 Current memory usage: 4.75 MB<br />18:09:08 Write to Excel2007 format<br />18:09:08 File written to 43mergeWorkbooks.xlsx<br />Call time to write Workbook was 0.0138 seconds<br />18:09:08 Current memory usage: 7 MB<br />18:09:08 Peak memory usage: 7 MB<br />18:09:08 Done writing file<br />File has been created in /data/www/terceros/vendor/phpoffice/phpexcel/Examples<br />